<svg xmlns="http://www.w3.org/2000/svg">
  <!-- Test that an indefinite to-animation that falls back to discrete calcMode
       because the property is not interpolatable, applies the underlying value
       for the whole time. -->
  <rect x="15" y="15" width="200" height="200" fill="blue" visibility="visible">
    <animate attributeName="visibility" to="hidden" dur="indefinite"/>
  </rect>
</svg>
